Table 1 Definition of chlorophyll fluorescence parameters31

From: Delivery of luminescent particles to plants for information encoding and storage

Parameters

Definition

Y(II)

Quantum yield of photochemical energy conversion in PS II

Y(NO)

Quantum yield of non-regulated non-photochemical energy loss in PS II

NPQ

Non-photochemical fluorescence quenching parameter describing regulated dissipation of excess energy, reflecting the light protection ability of plant

qP

Photochemical fluorescence quenching parameter estimating the fraction of open PS II centers based on a lake model, reflecting the photosynthetic activity

ETR

Electron transport rate in PS II